Definition
Aplite is a fine-grained granite composed mainly of feldspar and quartz
Trachyandesite is an extrusive igneous rock.
History
Origin
Iran
Indonesia
Discoverer
Unknown
Unknown
Etymology
From German Aplit, from Greek haploos simple + -ite
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite
Class
Igneous Rocks
Igneous Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock